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篇名
A Mandarin Text-to-Speech System
作者 Chen, Sin-horng (Chen, Sin-horng)Hwang, Shaw-hwa (Hwang, Shaw-hwa)Wang, Yih-ru (Wang, Yih-ru)
中文摘要
In this paper, the implementation of a high-performance Mandarin TTS system is presented. The system is com-posed of four main parts: text analysis (TA), prosodic in-formation generation (PIG), waveform table (WT) of 411 base-syllables, and PSOLA-based waveform synthesis (PSOLA). In TA, a statistical model based method is first employed to automatically tag the input text to obtain the word sequence and the associated part-of-speech (POS) sequence. A lexicon containing about 80000 words is used in the tagging process. Then the corresponding base-syllable sequence is found and used to get from WT the basic wave-form sequence. Some linguistic features used in PIG are also extracted in TA. In PIG, a four-layer recurrent neural network (RNN) is employed to generate some prosodic information including pitch contour, energy level, initial duration and nal duration of syllable as well as inter-syllable pause duration. Finally, in PSOLA the basic waveform sequence is modi ed using the prosodic information to generate output synthetic speech. The whole system is implemented by software on a PC/AT 486 with a 16-bit Sound Blaster add-on card. Only 3.2 Mbyte memory space is re- quired. It can synthesize speech in real-time for any input Chinese text. Informal listening tests by many native Chinese living in Taiwan con rmed that the synthetic speech sounded very uent and natural.
起訖頁 87-100
關鍵詞 語音合成音韻訊息遞迴式類神經網路中文文字轉語音speech ynthesisprosodic informationrecurrent neural networkPSOLAMandarin Text-to-Speech
刊名 中文計算語言學期刊  
期數 199608 (1:1期)
出版單位 中華民國計算語言學學會
該期刊-上一篇 Issues in Text-to-Speech Conversion for Mandarin
該期刊-下一篇 An Overview of Corpus-Based Statistics-Oriented (CBSO) Techniques for Natural Language Processing
 

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